Pepa kila i olokaa welahana ʻia e ka pā kila kalapona maʻamau e ka hana ʻōwili wela.Me ke kuʻi maikaʻi, ka pale ʻana i ka corrosion, ka maikaʻi o ke kaiapuni a me ka maikaʻi o ke kumu kūʻai, hoʻohana nui ʻia i nā kaʻa, nā mea hana hale, ke kūkulu ʻana, etc.